Changes

* Oestrous detection is a problem because mares not in oestrus can cause significant damage to a stallion.

* Oestrous detection is a problem because mares not in oestrus can cause significant damage to a stallion.

* May be a slight [[Oedema - Pathology|oedema]] of the vulva and a mucoid discharge.

* May be a slight [[Oedema|oedema]] of the vulva and a mucoid discharge.

* Generally mares return to oestrous about 6-10 days after foaling.

* Generally mares return to oestrous about 6-10 days after foaling.

** Called a ''''foal heat'''' because often the foal develops [[Diarrhoea|diarrhoea]] at this time, which makes the oestrus easy to detect.

** Called a ''''foal heat'''' because often the foal develops [[Diarrhoea|diarrhoea]] at this time, which makes the oestrus easy to detect.

** Deviation of the tail

** Deviation of the tail

** Discharge becomes paler in colour

** Discharge becomes paler in colour

** Reduction in vulval [[Oedema - Pathology|oedema]]

** Reduction in vulval [[Oedema|oedema]]

* Poor relationship between time of [[Ovulation - Anatomy & Physiology|ovulation]] and external appearance.

* Poor relationship between time of [[Ovulation - Anatomy & Physiology|ovulation]] and external appearance.

* Slight mucoid vulval discharge.

* Slight mucoid vulval discharge.

[[Category:Reproductive Behaviour]]

[[Category:Reproductive Behaviour]]